Home / 95,972.90-143,959.35-84,892.10

Finding the Fourth Proportional to 95,972.90, 143,959.35 and 84,892.10

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Solution

The fourth proportional to 95,972.90, 143,959.35 and 84,892.10 is: 127,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,972.90 : 143,959.35 = 84,892.10 : x
  2. Step 2: Convert to fraction form
    95,972.90/143,959.35 = 84,892.10/x
  3. Step 3: Cross multiply
    95,972.90x = 143,959.35 × 84,892.10
  4. Step 4: Simplify right side
    95,972.90x = 12,221,011,536.14
  5. Step 5: Solve for x
    x = 12,221,011,536.14/95,972.90
  6. Step 6: Final answer
    x = 127,338.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.